Castle Creations Cobra 5 Sensored ESC
Castle Creations Cobra 5 Sensored ESC
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The Cobra 5 ESC is a next-generation electronic speed controller built for serious RC enthusiasts who want uncompromising power and intelligent control. Designed for large-scale 3S-8S setups, it delivers outstanding throttle precision, heat management, and tuning flexibility - everything you need for high-performance bashing, racing, or all-terrain adventures.
📦What’s Included
- Cobra 5 ESC
- 300 mm direct-connect sensor wire
- Cobra series decals
- Castle Link V4 USB adapter
- Quick Start Guide
🔥Features
The Cobra 5 ESC combines advanced hardware and intelligent software to deliver dependable, high-efficiency power for demanding RC setups.
Sharing the same footprint as the Mamba XLX2, it features an upgraded current-sensing and thermal-management system that enhances reliability under extreme loads.
New tuning controls let drivers fine-tune brake curves and reverse behavior to prevent drivetrain stress, reduce gear wear, and create smoother throttle transitions.
With its next-gen control algorithm, the Cobra 5 provides a more consistent and predictable driving experience, even under high traction or aggressive acceleration.
The ESC’s improved data-logging system records at twice the sample rate of previous Castle Creations models. You’ll gain deeper insight into performance through expanded data points such as motor timing, acceleration from the onboard accelerometer, and more - all viewable in real time or after a run.
This allows precision tuning to improve traction, detect slippage, and optimize motor efficiency.
All tuning, data logging, and firmware updates are available free of charge using the Castle Link V4 USB Adapter (included) and Castle Link 2 software. Optional B-Link 2 Bluetooth Interface enables smartphone-based programming via the free Castle Link 2 app for Android and iOS.
Additional Features
- CRYO-DRIVE™ Technology: minimizes heat generation by optimizing switching efficiency during partial-throttle use.
- CNC Aluminum Case: rugged, precision-machined housing potted in waterproof epoxy for maximum durability and heat transfer.
- Premium Forged Heatsink: elliptical fin design increases airflow and cooling efficiency.
- 50 mm Factory-Installed Fan: thermally controlled, high-output fan ensures consistent operating temperatures.
- Waterproof Design: built to perform in all-weather conditions (not for full submersion).
- Auxiliary Wire Support: allows “on-the-fly” adjustments from your transmitter.
- Audible Alerts: beeps help diagnose common issues like over-temperature or low-voltage cutoff.
- Quick Transmitter Programming: adjust six key parameters directly from your radio, including cutoff voltage and drag brake.
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Warranty: 12 months (see the NOTE below).
⚙️Technical Specifications
| Category | Details |
|---|---|
| Input Voltage Range | 3S – 8S LiPo (11.1 V – 33.6 V) |
| BEC Specifications | 5.5 V – 8.5 V adjustable in 0.1 V increments (20 A peak), default 5.5 V |
| Application Guidelines | Designed for 1/7 and 1/5 scale RC vehicles. Not for drag racing or speed-run applications. Misuse outside intended operation may cause damage and is not covered under warranty. |
| Running Modes | SmartSense™ and Sensorless Brushless |
| Reversible | Yes – may be disabled for racing |
| On/Off Switch | Yes – Waterproof |
| Cooling Fan | Factory equipped 50 mm, temperature-controlled |
| Dimensions (L × W × H) | 3.98" × 2.49" × 2.35" (101.2 mm × 63.3 mm × 59.5 mm) |
| Weight (with wires) | 13.2 oz (374 g) |
| Connectors | 8.0 mm female bullets (motor); matching male required |
| Required Connectors | Use high-current connectors rated 150 A+, such as Castle CC Bullet 8.0 mm, 6.5 mm Polarized, QS8 Anti-Spark, QS10 10 mm Anti-Spark |
| Recommended Batteries | Tested with GensAce 10,000 mAh & 6,800 mAh 100C; Onyx 6,400–8,000 mAh D5/100C; SMC 9,500–8,600 mAh 150C; SMC 10,600–8,600 mAh 250C |
| Recommended Motors | Castle 2028-800KV, 2028-1100KV, 1721-1260KV |
| Installation | Mounting holes located on bottom aluminum case for direct chassis fitment |
| Programmability | Programmable via Castle Link V4 USB Adapter (included) & Castle Link 2 software (PC/Mac). Optional Bluetooth via B-Link 2 + Castle Link 2 mobile app. |
| Operating Environment | Water-resistant, not for full submersion. Rinse after mud/salt exposure. Keep battery, motor, and servo components dry. Remove cooling fan before wet driving (non-waterproof). |
IMPORTANT NOTE:
The Castle Cobra 5 is designed for general 1/5 and 1/7 scale RC use and not for drag racing or speed-running. Using the ESC in these conditions will void the warranty.
For extreme drag or speed-run setups, the Ghost RC Cobra 5 ACE ESC is recommended; however, because of the inherently high-stress nature of such applications, it is sold without warranty.
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